“Hi everyone, we have some exciting news to tell you … Jada is going to be a big sister!” the mom-to-be Tweeted.

After competing in her final U.S. Open in August, Clijsters, 29, officially retired from the sport, and, according to the athlete, placed expanding her family high on her priority list.

“And here we are: halfway into September Jada will have a brother or sister. We are of course delighted,” Clijsters writes on her site. “I’m doing fine, even though I tire more easily right now.”
Clijsters and Lynch married in 2007.